Home / 275,207.52-379,801.72-207,102

Finding the Fourth Proportional to 275,207.52, 379,801.72 and 207,102

Calculator

Solution

The fourth proportional to 275,207.52, 379,801.72 and 207,102 is: 285,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,207.52 : 379,801.72 = 207,102 : x
  2. Step 2: Convert to fraction form
    275,207.52/379,801.72 = 207,102/x
  3. Step 3: Cross multiply
    275,207.52x = 379,801.72 × 207,102
  4. Step 4: Simplify right side
    275,207.52x = 78,657,695,815.44
  5. Step 5: Solve for x
    x = 78,657,695,815.44/275,207.52
  6. Step 6: Final answer
    x = 285,812.31

Related Problems

Find fourth proportional to 137,603.76, 189,900.86 and 103,551
Half scale
Find fourth proportional to 550,415.04, 759,603.44 and 414,204
Double scale
Find fourth proportional to 275,208.52, 379,803.10 and 207,103
Similar ratio
Find fourth proportional to 412,811.28, 569,702.58 and 310,653
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.